Tag: 780m
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Testing a 20B-class open-weight image model on a Radeon 780M iGPU with no discrete GPU. Qwen-Image-2.0 looked like the obvious pick until it turned out to be API-only. Qwen-Image-2512 is the actual open model, and it runs.
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Running Qwen3.8-27B (Q3_K_XL) through DeepSeek Harness as an autonomous coding agent on a Radeon 780M. A full spec in one shot burns the entire output budget on pure thinking and writes nothing, and manual task-splitting, an inline plan-then-act instruction, and the harness's own plan mode each only partly fix it before the model's own goal tool does.
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Running MiniMax Music 3, an 8B/0.6B hierarchical autoregressive music model, on a Radeon 780M through ComfyUI. INT8 quantization to fit shared VRAM, hand-wiring the real node graph behind a collapsed UI subgraph, and a ROCm context-poisoning flake caught mid-generation.
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Turning Craymel Ball's flat 2D sprites into usable 3D character models entirely on a Radeon 780M. TripoSR gets rejected, Hunyuan3D-2mini becomes the first usable tier, and multi-view input on Hunyuan3D-2mv fixes a measured depth-flattening problem that resolution and postprocessing couldn't touch.
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Running LTX video generation on a Radeon 780M mini PC with no discrete GPU, through a VRAM ceiling, four LTX-2.5 loading bugs, a GGUF quant missing its architecture metadata, and a silently dropped boolean flag that turned coherent video into static noise.
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A local codegen loop, escalating from qwen3:8b to qwen3.6:27b, reproduces its own past output, hits one real capability wall in a signed-zero bug, and ships eight tested functions into a working game.
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AMD's own TheRock build now targets gfx1103 directly, so ComfyUI on a Radeon 780M doesn't need ZLUDA's DLL injection and security exclusions anymore, and it runs roughly twice as fast with the right attention setting.
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ComfyUI wouldn't touch the GPU on this AMD chip at all. Getting real acceleration meant DirectML, then ZLUDA, and eight separate crashes before Stable Diffusion ran at real speed.